20609433

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 34478080

約数和(自身を除く): 13868647

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 117, 127, 171, 219, 247, 381, 657, 741, 949, 1143, 1387, 1651, 2223, 2413, 2847, 4161, 4953, 7239, 8541, 9271, 12483, 14859, 18031, 21717, 27813, 31369, 54093, 83439, 94107, 120523, 162279, 176149, 282321, 361569, 528447, 1084707, 1585341, 2289937, 6869811, 20609433]

約数ペア:

[(1, 20609433), (3, 6869811), (9, 2289937), (13, 1585341), (19, 1084707), (39, 528447), (57, 361569), (73, 282321), (117, 176149), (127, 162279), (171, 120523), (219, 94107), (247, 83439), (381, 54093), (657, 31369), (741, 27813), (949, 21717), (1143, 18031), (1387, 14859), (1651, 12483), (2223, 9271), (2413, 8541), (2847, 7239), (4161, 4953)]